Managed XDR

vurowupofu.ape (GandCrab, Sodinokibi) — malware analysis report

File info

Filename
vurowupofu.ape
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
265.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
a5857a551e96ced09ba4fb9df01b577a0dc4e359
SHA256
f859c14a334ede011a72bcf434a38af8dde7ed9c71bf999632c3e5f2875e2d06
MD5
30096c4200f7b364212e565e53977dbc

Malwares

  • GandCrab
  • Sodinokibi

Signatures

Privilege Escalation

T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.001 antivm_generic_cpu: Checks the CPU name, possibly for anti-virtualization
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name
T1070 stealth_window: A process created a hidden window

Credential Access

T1552 infostealer_mail: Collects personal data from local email clients
T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1552 cookie_files: Accesses cookie files
T1555.003 cookie_files: Accesses cookie files

Discovery

T1497.001 antivm_generic_cpu: Checks the CPU name, possibly for anti-virtualization
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1057 process_interest: Enumerates processes
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1114 infostealer_mail: Collects personal data from local email clients
T1113 screenshot_file: Possibly, makes a screenshot and saves it to a file
T1074.001 access_recyclebin: Manipulation with recyclebin detected

Command and Control

T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Impact

T1486 modifies_files2: Cryptolocker indicators detected (100 or more files are modified)
T1486 modifies_files: Cryptolocker indicators detected (renamed 100 or more files)
T1486 ransomware_windows_possible: Ransomware indicators detected (possible ransom window creation)
T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies
T1565.001 overwrites_firefox_settings: Modifies Mozilla Firefox settings
T1486 ransomware_files: Ransomware indicators detected GandCrab/Sodinokibi (creates keys and the instruction on how to unlock the files)

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
ce_info: REvil note Configuration Data found
revil: Ransomware REvil indicators detected
ransomware_shadowcopy: Removes volume shadow copies
cryptolocker_wallpaper: Ransomware indicators detected (changes the desktop wallpaper file)
dns_without_resolve: DNS query without a response
unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
writes_data: Writes big amount of data to disk

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